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Finding the Fourth Proportional to 51,790.90, 77,689.62 and 16,253.62

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Solution

The fourth proportional to 51,790.90, 77,689.62 and 16,253.62 is: 24,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.90 : 77,689.62 = 16,253.62 : x
  2. Step 2: Convert to fraction form
    51,790.90/77,689.62 = 16,253.62/x
  3. Step 3: Cross multiply
    51,790.90x = 77,689.62 × 16,253.62
  4. Step 4: Simplify right side
    51,790.90x = 1,262,737,172.98
  5. Step 5: Solve for x
    x = 1,262,737,172.98/51,790.90
  6. Step 6: Final answer
    x = 24,381.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.